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Children with exotropia responsive to spectacle correction of hyperopia
I L Iacobucci1, S M Archer, C L Giles
1Department of Ophthalmology, University of Michigan, W. K. Kellogg Eye Center, Ann Arbor 48105.
American Journal of Ophthalmology
|July 15, 1993
Summary
Spectacle correction resolved exotropia in children with significant hyperopia. This intervention improved binocular vision and sensory status, suggesting its value in managing certain types of strabismus.
Area of Science:
- Ophthalmology
- Pediatric Ophthalmology
- Strabismus Management
Background:
- Exotropia, a common form of strabismus, can affect children's visual development.
- Hyperopia, or farsightedness, is a refractive error that can sometimes be associated with strabismus.
- The relationship between hyperopia and exotropia, particularly the potential for refractive correction, requires further investigation.
Observation:
- Seven exotropic children (ages 2-10 years) with hyperopia (3.00-7.00 diopters) were treated with spectacle correction.
- Six children with intermittent exotropia showed a shift towards esophoria after hyperopic correction.
- One child with constant exotropia transitioned to small esotropia post-correction.
Findings:
- Spectacle correction led to the resolution of exotropia in all seven children.
- Post-correction, binocular sensory status improved, as indicated by Worth 4-dot and Titmus Stereo Test results.
- The degree of hyperopic correction directly correlated with the positive outcomes observed.
Implications:
- A trial of spectacle correction is recommended for exotropic children with severe hyperopia.
- Consider spectacle correction for moderate hyperopia cases with a low accommodative convergence/accommodation ratio or hypoaccommodation.
- Early refractive intervention may be a crucial strategy in managing pediatric exotropia.